Back to ICD-10 library
ICD-10-CM · FY 2026 APRIL UPDATE

H40.2

Primary angle-closure glaucoma

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
H40.20Unspecified primary angle-closure glaucomaCategory
H40.20X0Unspecified primary angle-closure glaucoma, stage unspecifiedBillable
H40.20X1Unspecified primary angle-closure glaucoma, mild stageBillable
H40.20X2Unspecified primary angle-closure glaucoma, moderate stageBillable
H40.20X3Unspecified primary angle-closure glaucoma, severe stageBillable
H40.20X4Unspecified primary angle-closure glaucoma, indeterminate stageBillable
H40.21Acute angle-closure glaucomaCategory
H40.211Acute angle-closure glaucoma, right eyeBillable
H40.212Acute angle-closure glaucoma, left eyeBillable
H40.213Acute angle-closure glaucoma, bilateralBillable
H40.219Acute angle-closure glaucoma, unspecified eyeBillable
H40.22Chronic angle-closure glaucomaCategory
H40.221Chronic angle-closure glaucoma, right eyeCategory
H40.2210Chronic angle-closure glaucoma, right eye, stage unspecifiedBillable
H40.2211Chronic angle-closure glaucoma, right eye, mild stageBillable
H40.2212Chronic angle-closure glaucoma, right eye, moderate stageBillable
H40.2213Chronic angle-closure glaucoma, right eye, severe stageBillable
H40.2214Chronic angle-closure glaucoma, right eye, indeterminate stageBillable
H40.222Chronic angle-closure glaucoma, left eyeCategory
H40.2220Chronic angle-closure glaucoma, left eye, stage unspecifiedBillable
H40.2221Chronic angle-closure glaucoma, left eye, mild stageBillable
H40.2222Chronic angle-closure glaucoma, left eye, moderate stageBillable
H40.2223Chronic angle-closure glaucoma, left eye, severe stageBillable
H40.2224Chronic angle-closure glaucoma, left eye, indeterminate stageBillable
H40.223Chronic angle-closure glaucoma, bilateralCategory
H40.2230Chronic angle-closure glaucoma, bilateral, stage unspecifiedBillable
H40.2231Chronic angle-closure glaucoma, bilateral, mild stageBillable
H40.2232Chronic angle-closure glaucoma, bilateral, moderate stageBillable
H40.2233Chronic angle-closure glaucoma, bilateral, severe stageBillable
H40.2234Chronic angle-closure glaucoma, bilateral, indeterminate stageBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.